IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 262  268 of 929
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Question number: 262
Question
Orthocenter of a triangle is the point of concurrency of its ________
Choices
Choice (4)  Response  

a.  Medians  
b.  Angle bisectors  
c.  Altitudes  
d.  Perpendicular bisectors 
Question number: 263
» Lines, Angles and Quadrilaterals
Question
A triangle and a trapezoid are equal in area. They also have the same altitude. If the base of the triangle is 24 inches, the median of the trapezoid is ________
Choices
Choice (4)  Response  

a.  16 inches  
b.  24 inches  
c.  59 inches  
d.  12 inches 
Question number: 264
Question
A cone and a hemisphere have the same height and same radius of the base. The ratio between the volumes of the cone and the hemisphere is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 265
Question
is a point, which belongs to the line________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 266
Question
On plotting the points A (2,9), B (6,11), C (10,9), D (8,5), E (4,5) and joining AB, BC, CD, CE, EA, Which of the following figure is obtained?
Choices
Choice (4)  Response  

a.  Pentagon  
b.  Hexagon  
c.  Trapezoid  
d.  Parallelogram 
Question number: 267
Question
In the figure, and , then
Choices
Choice (4)  Response  

a.  PQ  
b.  EF  
c.  OR  
d.  PF 
Question number: 268
Question
The area of a quadrilateral ABCD, in which , is an equilateral triangles of side 24 cm and is________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
